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Duplex Stainless Steel Seamless Pipe

DUPLEX STAINLESS STEEL

Duplex Stainless Steels Available

Yuhong Group supplies LDX2101, 2205, Ferralium 255, Zeron 100 and LDX2507 in the form of plate, sheet, strip, bar, pipe, tubing, pipe fittings, flanges and weld wire.


Duplex Stainless Steel Overview

Duplex Stainless Steels, also referred to as austenitic-ferritic stainless steels, are a family of grades with about equal proportions of ferrite and austenite. These steels have a duplex microstructure which contributes to their high strength and high resistance to stress corrosion cracking. Due to their high content of chromium, nitrogen and molybdenum, duplex steels offer good resistance to local and uniform corrosion. Duplex stainless steels have good weldability.


Today, modern duplex stainless steels can be divided into three groups:
Lean Duplex such as LDX2101
Standard Duplex such as 2205, the work-horse grade accounting for more than 80% of duplex usage
Super Duplex such as Ferralium 255 and Zeron 100 and LDX2507

Of the duplex grades, duplex 2205 is the most widely used. However, the super duplex steels like Zeron® 100 and LDX2507 are excellent for servicing severe corrosive environments, such as offshore and marine applications. Lean duplex 2101 is available as an economic alternative to 300 series stainless steels.


What are the Characteristics of Duplex Stainless Steels ?
Very good resistance to uniform corrosion
Very good resistance to pitting and crevice corrosion
High resistance to stress corrosion cracking and corrosion fatigue
High mechanical strength
Good sulfide stress corrosion resistance
Good abrasion and erosion resistance
Good fatigue resistance high energy absorption
Low thermal expansion
Good weldability


In what Applications are Duplex Stainless Steels® used ?
Oil and gas equipment
Offshore technology
Seawater desalination plants
Chemical industry, especially when handling chlorides
Flue-gas cleaning
Desalination plants and seawater systems
Pulp and paper industry
Cargo tanks and pipe systems in chemical tankers
Firewalls and blast walls on offshore platforms
Bridges
Storage tanks
Pressure vessels, reactor tanks, and heat exchangers
Rotors, impellers and shafts

  • Brand:
    YuHong Group
    Min. Order:
    Kilogram
    Model No:
    ASTM A790 UNS S31803
    Transportation:
    Land,Ocean,Air,Express
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Supply Ability:
    According to Clients' Requirements
    Place of Origin:
    China
    Productivity:
    100 Tons Per Month
    ASTM A790 UNS S31803/SAF2205 Duplex Steel Seamless Pipe Thick Wall ASTM A790 UNS S31803 is a specification in duplex steel material. The material is an alloy of steel with chromium and molybdenum in it. The addition of these materials makes the...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    Duplex Steel Pipe
    Transportation:
    Ocean,Land,Air
    Packaging:
    Plywood Case Packing
    Place of Origin:
    CHINA
    Productivity:
    700 Tons Per Month
    Duplex Steel Seamless Pipe ASTM A789 UNS S31500 1 Standard: ASTM A790/A789 PICKLED AND ANEANLED 2 Material: S31803/S31500/S32750 etc 3 OD: 6MM---710MM Thickness: 2.5mm---50mm 4 Certificate: PED, ISO, GB, GOST 5 Producing method: cold drawn and cold...
  • Brand:
    YuHong Group
    Min. Order:
    Kilogram
    Model No:
    ASTM A790 UNS S31803
    Transportation:
    Ocean,Land,Air,Express
    Packaging:
    Ply Wooden Case with Plastic Caps
    Supply Ability:
    According to Client's Requirements
    Place of Origin:
    China
    Productivity:
    500Tons Per Month
    ASTM A790 UNS S31803(SAF2205)/1.4462 Duplex Steel Thick Wall Seamless Pipe What is ASTM A790 S31803 material? ASTM A790 UNS S31803 Seamless and SA 790 welded pipe supplier ASTM A790 UNS S31803 is a specification in duplex steel material. The...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A790 S32205
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Supply Ability:
    According To Client's Request
    Place of Origin:
    China
    Productivity:
    1000 Tons Per Month
    ASTM A790 S32205 DUPLEX Stainless Steel PIPE ASTM A790 S32205 is a specification for duplex stainless steel pipe. Duplex stainless steel is a type of stainless steel that contains both austenite and ferrite phases in its microstructure, resulting in...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A790/ASME SA790 UNS S32205
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-Wooden Case /Iron Case/ Bundle with Plastic Cap
    Supply Ability:
    ACCORDING TO CUSTOMER'S REQUEST
    Place of Origin:
    China
    Productivity:
    1000 tons Per Month
    ASTM A790 UNS S32205 Duplex Stainless Steel Pipe YUHONG GROUP COMPANY deals with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 33 years, every year sell more...
  • Brand:
    YUHONG GROUP
    Min. Order:
    Kilogram
    Model No:
    ASTM A312 UNS S31254 / 254SMO
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Supply Ability:
    According To Client's Request
    Place of Origin:
    China
    Productivity:
    5000 Tons Per Month
    ASTM A312 S31254 / 254SMO Duplex Steel Pipe Alloys 254 / 254 SMO is an austenitic stainless steel with a high molybdenum content. With the addition of Nickel and Copper, this alloy has a good resistance to pitting and crevice corrosion. ASTM A312...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A790/ASME SA790 UNS S32205
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-Wooden Case /Iron Case/ Bundle with Plastic Cap/Woven Case
    Supply Ability:
    According to Customers' Requirement
    Place of Origin:
    China
    Productivity:
    1500 Tons Per Month
    ASTM A790 S32205 Duplex Stainless Steel Seamless Pipe Duplex stainless steels have many traits the same as both austenitic as well as ferritic classes of stainless steels. The duality in their microstructure is the reason for the ASTM A790 UNS...
  • Brand:
    YUHONG
    Model No:
    Duplex Steel Sealess Pipe
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    China, USA, Korea, UE
    UNS S32304 / 1.4362 / SAF2304 Duplex Alloy 2304 Stainless Steel Seamless/ Welded Pipe S32304 stainless steel is a duplex stainless steel formulated for primary forming into wrought products. Cited properties are appropriate for the annealed...
  • Brand:
    YUHONG
    Model No:
    Duplex Steel Sealess Pipe
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    China, USA, Korea, UE
    SMO 254 / UNS S31254 / 1.4547 Stainless Steel Seamless Pipes Manufacturer in China. We, Yuhong Group is a professional manufacturer of SMO 254 Pipes, ASTM A312 / A358 SMO 254 Seamless Pipes, UNS S31254 Welded Pipes, SMO 254 Round Pipes, DIN 1.4547...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASME SA790 S32205 Duplex Stainless Steel Pipe
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons Per Month
    Super Duplex Stainless Steel Seamless Pipe, ASTM 790, ASME SA790 , S31803 (SAF 2205) , S32750 (SAF2507), S32760(1.4501) Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530 Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASME SA790 S31803 Duplex Stainless Steel Pipe
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons Per Month
    Detailed Product Description Duplex Stainless Steel Pipe S31803 (F51), S32205 (F60) Alloy 2205,S32550 (F61),S32750 (F53), Alloy 2507 and S32760 (F55) YUHONG HOLDING GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy , Monel,...
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Home> Products> Duplex Stainless Steel Pipe> Duplex Stainless Steel Seamless Pipe
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2015, ISO 14001, ISO 18001, API 5L , API 5CT , API 6D, And our branch company Zhejiang Yuhongwell Steel Co.Ltd has expanded its field of activities and entered in trade and supply of tubular & flat products in Duxplex and Super Duplex, Stainless Steel, Nickel Base alloy Steel ,Cr-Mo alloy steel , Copper Nickel alloy steel,Carbon Steel for our reputed clients worldwide. These products are widely used in various important sectors like Mining, Energy, Boiler & Heat Exchanger, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc. YUHONG HOLDING GROUP has gained rich experience in Pipes, Fittings, Flanges, Valves, Structural steel, Coils and Plates in past eight years. In a short span of time, YUHONG brand has marked its global presence in more than 40 countries, like, Korea, USA, Canada, Mexico, Colombia, Bolivia, Chile, Argentina, Brazil, Ecuador, Austria, New Zealand,...
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